Home / 839,828.05-1,259,959.25-240,833.05

Finding the Fourth Proportional to 839,828.05, 1,259,959.25 and 240,833.05

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Solution

The fourth proportional to 839,828.05, 1,259,959.25 and 240,833.05 is: 361,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,828.05 : 1,259,959.25 = 240,833.05 : x
  2. Step 2: Convert to fraction form
    839,828.05/1,259,959.25 = 240,833.05/x
  3. Step 3: Cross multiply
    839,828.05x = 1,259,959.25 × 240,833.05
  4. Step 4: Simplify right side
    839,828.05x = 303,439,826,505.40
  5. Step 5: Solve for x
    x = 303,439,826,505.40/839,828.05
  6. Step 6: Final answer
    x = 361,311.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.